Interesting! And, I thought *alias* was a lame function this whole time. But one slight problem I have is that I can't actually figure out how this is useful yet. Can anyone offer any pointers? : ) --Ryan
PracticalProductivity.com 707-367-9230 On Wed, Aug 26, 2009 at 10:53 PM, Carl Read <[email protected]> wrote: > > On Wednesday, 26-August-2009 at 20:02:39 Giuseppe Chillemi wrote, > > >> He's talking about the possibility of multiple variables > >> pointing at an immutable value: > >> > >> >> X: make object! [Name: {Spock}] > >> >> A: B: :X > > > >You are right ! > > > >> Then, say, changing the object entirely: > >> >> X: make object! [Species: {Human}] > >> and having A and B now also point to the new object. > > > >You have interpreted correctly my message. > > > >> Here's a way to simulate it: > >> >> X: reduce [make object! [Name: {Spock}]] > >> >> A: B: X > >> >> X/1: make object! [Species: {Human}] > >> Now, A/1 and B/1 also point at the new object. > > > >I whish a more direct way able to be able to link to a function and have > >many object point to that function and reuse the code. > > Ok. Try ALIAS... > > >> alias 'x "aa" > == aa > >> alias 'x "bb" > == bb > >> x: make object! [name: "Spock"] > >> probe x > make object! [ > name: "Spock" > ] > >> probe aa > make object! [ > name: "Spock" > ] > >> probe bb > make object! [ > name: "Spock" > ] > >> aa: make object! [species: "human"] > >> probe x > make object! [ > species: "human" > ] > >> probe bb > make object! [ > species: "human" > ] > >> probe aa > make object! [ > species: "human" > ] > > ALIAS only works if the words haven't already been used though. So this > doesn't work... > > >> alias 'bb "cc" > ** Script Error: Alias word is already in use: cc > ** Near: alias 'bb "cc" > > -- Carl Read. > > -- > To unsubscribe from the list, just send an email to > lists at rebol.com with unsubscribe as the subject. > > -- To unsubscribe from the list, just send an email to lists at rebol.com with unsubscribe as the subject.
